The items listed here are a combination of commands and findings that have either saved me countless hours or spent considerable effort in finding.
I use this site as a quick reference to lookup information whilst on site, and by publishing it hope to return the favour to many sites I have referenced over the years.

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Note that posts on this site are provided “as is” with no warranty nor supportability engagement. Before using any of the information contained on this site you should evaluate its suitability and impact to your computing situation. If you are unsure seek professional Information Technology assistance.